avcodec/cinepak: Skip empty frames
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 17 Apr 2018 00:13:43 +0000 (02:13 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 9 Jul 2018 23:52:55 +0000 (01:52 +0200)
commitbd7231cad119894d79c4f05c2e5471caee66d197
treea4ba8d30f597eae54466e336acc284d2528dbec6
parent173e04ee85a8de7475eecb486e27adefc01847d3
avcodec/cinepak: Skip empty frames

Speeds up decoding from 3 to 0.1 seconds for 6302/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CINEPAK_fuzzer-5626371985375232
Fixes: Timeout

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9033920bec9ccf17de205fc17c2b330906b200f5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/cinepak.c